USB Bluetooth Receiver 5.0 Audio Transmitter Adapter For TV/PC Headphone Speaker product description 1. The Bluetooth audio receiver has a small and elegant appearance, and it is easy to wirelessly transmit, play and control its, iTouch or All audio files in bluetooth device 2. The product adopts the new Bluetooth v2.1 technology (ie, Bluetooth EDR technology), and the data transmission rate is increased to 2.1Mbps, which is three times that of the current Bluetooth technology, which ensures more stable wireless audio transmission, thus providing The sound can also shorten the data transmission time and reduce the power consumption. Even if the partition wall, it can be controlled. 3. In addition, the new technology also provides additional bandwidth to the Bluetooth radio frequency, so that the Bluetooth music receiver can remember up to 6 paired devices at the same time, even if the user has multiple Bluetooth devices, there is no need to worry about different simultaneous use or chaotic situation. 4. This new product is all A2DP stereo Bluetooth devices including, iPhone4, iPhone3/3GS, first-generation, and second-generation . It can be described as a connection between Bluetooth devices and home audio. A great musical companion. Instructions for use: This requires an audio cable to be used! 1. Connect with the speaker The first way, the speaker does have a USB interface. Insert the bluetooth USB flash drive into a charger with a 5VUSB port, then connect the audio cable to the AUX port The second way, the speaker has a USB interface Insert the Bluetooth U disk directly into the USB port of the speaker, and then connect the audio cable to the AUX port 2. Pairing 1. Turn on the Bluetooth function of the mobile phone (or computer), search for the surrounding Bluetooth devices, and search for pairing with them. the pairing is successful, the indicator on the Bluetooth receiver will slow down! 2. the pairing is successful, play the music in the mobile phone, and then select the music in the submenu to play via Bluetooth, and the wonderful music will be played from the speaker! Product parameters: 1. Power supply mode: USB power supply 2. Bluetooth: Bluetooth 4.0 3. Output method: 3.5mm audio interface 4. Receiving distance: less than 10m 5. Standard accessories: 3.5mm audio data cable Product Specifications: Product size: 55*20*10mm Weight with package: 23g Product accessories: 3.5 audio cable (1) Interface: USB/3.5mm Summarize: The USB interface of the Bluetooth audio receiver is for power supply, and the 3.5mm audio interface is for transmitting audio data; no need to install driver software. the connection is complete, the mobile phone searches for signal pairing to play music Package Contents: 1xUSB Bluetooth Music Receiver, 1x3.5 Adapter Cable